This map was created for display at the Annual Balcones Songbird Festival at Balcones Canyonlands National Wildlife Refuge by Abra Zobel, GIS specialist. It was produced for use by the refuge Friends group. Data were created using aerial photography and recreational grade GPS. The primary purpose is to show visitors event and activity locations, including times if applicable. The icon symbology is adapted from the NPS icon style, the tree symbology was adapted from the ESRI Foerstry and Forestry 2 styles